graph

type Axis struct {
	Label string `json:"label"`
}

type BuilderFunction func() (*Model, error)

type Graphable interface {
	ListGraphs() ([]*Metadata, error)
}

type Metadata struct {
	Key     string `json:"key"`
	Builder BuilderFunction
}

type Model struct {
	XAxis  Axis      `json:"xAxis"`
	YAxis  Axis      `json:"yAxis"`
	Series []*Series `json:"series"`
}

type Series struct {
	Key    string  `json:"key"`
	Units  string  `json:"units"`
	Values []Value `json:"values"`

	StrokeWidth float32 `json:"strokeWidth,omitempty"`
	Classed     string  `json:"classed,omitempty"`

	// Area will fill the area under the line
	Area bool `json:"area,omitempty"`
}

type Value struct {
	X float64 `json:"x"`
	Y float64 `json:"y"`
}